Behavioral ========== In software engineering, behavioral design patterns are design patterns that identify common communication patterns between objects and realize these patterns. By doing so, these patterns increase flexibility in carrying out this communication. .. toctree:: :titlesonly: ChainOfResponsibilities/index Command/index Iterator/index Mediator/index Memento/index NullObject/index Observer/index Specification/index State/index Strategy/index TemplateMethod/index Visitor/index